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The federal Office of Management and Budget’s (OMB) periodic releases of updated metropolitan statistical area (MSA) definitions garner significant attention from local economic development professionals and policymakers. This paper tests the hypothesis that the MSA designation influences local growth, using OMB designations released since 1980 and data on per capita personal income, population, and employment. We find little evidence that the MSA designation influences long-term employment or per capita income growth. However, we do find evidence suggestive of a short-run impact on employment growth and more significant impacts on population growth.

This paper employs time series methods to analyze convergence across metropolitan and non-metropolitan regions during the 1969–2001 period. The results suggest that non-metropolitan regions are diverging from below the U.S. average income level, while metropolitan regions show mixed evidence of convergence. These summary results vary by geographic location and the size of the region, with medium-sized metropolitan regions showing the strongest tendencies to converge, while non-metropolitan areas with larger urban centers and small towns showed the strongest tendencies to diverge. Differences in human capital (as well as employment concentrations in farming and mining) appear to have influenced the relative performance of metropolitan and non-metropolitan regions during the last 30 years, suggesting a role for agglomeration economies in the observed trend toward divergence.